Don't give up the day job!
A: Hey. What do think of my acting? I’m gonna be a famous actor.
B: Well, don’t give up the day job!
Be out of a job 失业，没有工作
He’s been out of a job for 6 months and is very anxious about it.
Nose job 鼻子整形手术，隆鼻
I don’t want a nose job. What I got is good enough.
[英] It's more than my job's worth.
Look, I wish I could pull some strings to get you a job here, but it's more than my job's worth.
The man for the job 合适的人选
We need someone to manage the sales department and we think you’re man for the job.